CA2316242C - Dynamic automatic gain control in a hearing aid - Google Patents

Dynamic automatic gain control in a hearing aid Download PDF

Info

Publication number
CA2316242C
CA2316242C CA002316242A CA2316242A CA2316242C CA 2316242 C CA2316242 C CA 2316242C CA 002316242 A CA002316242 A CA 002316242A CA 2316242 A CA2316242 A CA 2316242A CA 2316242 C CA2316242 C CA 2316242C
Authority
CA
Canada
Prior art keywords
input
attack
signal
output
gain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002316242A
Other languages
English (en)
French (fr)
Other versions
CA2316242A1 (en
Inventor
Carl Ludvigsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Widex AS
Original Assignee
Widex AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Widex AS filed Critical Widex AS
Publication of CA2316242A1 publication Critical patent/CA2316242A1/en
Application granted granted Critical
Publication of CA2316242C publication Critical patent/CA2316242C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/35Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356Amplitude, e.g. amplitude shift or compression
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/41Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505Customised settings for obtaining desired overall acoustical characteristics using digital signal processing

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
CA002316242A 1997-12-23 1997-12-23 Dynamic automatic gain control in a hearing aid Expired - Fee Related CA2316242C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK1997/000598 WO1999034642A1 (en) 1997-12-23 1997-12-23 Dynamic automatic gain control in a hearing aid

Publications (2)

Publication Number Publication Date
CA2316242A1 CA2316242A1 (en) 1999-07-08
CA2316242C true CA2316242C (en) 2003-10-28

Family

ID=8156342

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002316242A Expired - Fee Related CA2316242C (en) 1997-12-23 1997-12-23 Dynamic automatic gain control in a hearing aid

Country Status (9)

Country Link
US (1) US6628795B1 (da)
EP (1) EP1059016B1 (da)
JP (1) JP3670962B2 (da)
AT (1) ATE218028T1 (da)
AU (1) AU739344B2 (da)
CA (1) CA2316242C (da)
DE (1) DE69712801T2 (da)
DK (1) DK1059016T3 (da)
WO (1) WO1999034642A1 (da)

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ATE383730T1 (de) 1998-02-18 2008-01-15 Widex As Binaurales digitales hörhilfesystem
EP1219138B1 (en) 1999-10-07 2004-03-17 Widex A/S Method and signal processor for intensification of speech signal components in a hearing aid
US6445233B1 (en) * 1999-12-30 2002-09-03 The Engineering Consortium, Inc. Multiple time constant rectifier apparatus and method
US6731768B1 (en) * 2000-07-26 2004-05-04 Etymotic Research, Inc. Hearing aid having switched release automatic gain control
US7489790B2 (en) * 2000-12-05 2009-02-10 Ami Semiconductor, Inc. Digital automatic gain control
US20030023429A1 (en) * 2000-12-20 2003-01-30 Octiv, Inc. Digital signal processing techniques for improving audio clarity and intelligibility
US20030007657A1 (en) * 2001-07-09 2003-01-09 Topholm & Westermann Aps Hearing aid with sudden sound alert
AU2001276230B9 (en) * 2001-08-08 2008-06-19 Phonak Ag Method for processing an input signal for producing an output signal and an application of said method in hearing aids and devices
AU2002329002A1 (en) * 2001-10-17 2003-04-28 Koninklijke Philips Electronics N.V. Bass frequency amplifying apparatus
US7333623B2 (en) 2002-03-26 2008-02-19 Oticon A/S Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used
DK1351550T3 (da) 2002-09-10 2011-02-28 Phonak Ag Fremgangsmåde og tilpasning af en signalforstærkning i et høreapparat samt et høreapparat
JP4640948B2 (ja) * 2004-06-17 2011-03-02 ローム株式会社 Alc付き増幅装置およびそれを用いた電子機器
DE102004044565B4 (de) * 2004-09-15 2007-08-02 Carl Von Ossietzky Universität Oldenburg Verfahren zur Begrenzung des Dynamikbereichs von Audiosignalen und Schaltungsanordnung hierzu
EP1869948B1 (en) * 2005-03-29 2016-02-17 GN Resound A/S Hearing aid with adaptive compressor time constants
DE102005034647B3 (de) * 2005-07-25 2007-02-22 Siemens Audiologische Technik Gmbh Hörvorrichtung und Verfahren zur Einstellung einer Verstärkungskennlinie
JP4939542B2 (ja) * 2005-10-18 2012-05-30 ヴェーデクス・アクティーセルスカプ データ・ロガーを備えた補聴器,および上記補聴器の操作方法
EP1802168B1 (en) 2005-12-21 2022-09-14 Oticon A/S System for controlling transfer function of a hearing aid
DE102006007779B4 (de) * 2006-02-20 2008-07-10 Infineon Technologies Ag Filterbank-Anordnung und Signalverarbeitungs-Vorrichtung
EP1773099A1 (en) * 2006-05-30 2007-04-11 Phonak AG Method and system for providing hearing assistance to a user
DE102006051071B4 (de) 2006-10-30 2010-12-16 Siemens Audiologische Technik Gmbh Pegelabhängige Geräuschreduktion
DK2445231T3 (da) * 2007-04-11 2013-09-16 Oticon As Høreapparat med binaural kommunikationsforbindelse
US20090060209A1 (en) * 2007-08-31 2009-03-05 Victor Company Of Japan, Ltd. A Corporation Of Japan Audio-signal processing apparatus and method
DK2335427T3 (da) * 2008-09-10 2012-06-18 Widex As Fremgangsmåde til lydbehandling i et høreapparat og et høreapparat
US8284971B2 (en) * 2008-11-21 2012-10-09 Envoy Medical Corporation Logarithmic compression systems and methods for hearing amplification
WO2011069504A1 (en) 2009-12-09 2011-06-16 Widex A/S Method of processing a signal in a hearing aid, a method of fitting a hearing aid and a hearing aid
JP5531988B2 (ja) * 2011-03-03 2014-06-25 株式会社Jvcケンウッド 音量制御装置、音量制御方法、および音量制御プログラム
EP2512157B1 (en) * 2011-04-13 2013-11-20 Oticon A/s Hearing device with automatic clipping prevention and corresponding method
US20120262233A1 (en) * 2011-04-15 2012-10-18 Fairchild Semiconductor Corporation Mixed signal dynamic range compression
JP5872687B2 (ja) 2011-06-01 2016-03-01 エプコス アーゲーEpcos Ag アナログデータ処理ユニットを備えるアセンブリ及び当該アセンブリを使用する方法
DK2820863T3 (da) 2011-12-22 2016-08-01 Widex As Fremgangsmåde til at drive et høreapparat og et høreapparat
DK2795924T3 (da) 2011-12-22 2016-04-04 Widex As Fremgangsmåde til at drive et høreapparat og et høreapparat
US8913768B2 (en) 2012-04-25 2014-12-16 Gn Resound A/S Hearing aid with improved compression
DK2658120T3 (da) * 2012-04-25 2016-05-30 Gn Resound As Et høreapparat med forbedret kompression
EP2936835A1 (en) 2012-12-21 2015-10-28 Widex A/S Method of operating a hearing aid and a hearing aid
US9900708B2 (en) * 2013-12-27 2018-02-20 Gn Hearing A/S Hearing instrument with switchable power supply voltage
EP3185587B1 (en) * 2015-12-23 2019-04-24 GN Hearing A/S Hearing device with suppression of sound impulses
DE102016221692B3 (de) * 2016-11-04 2017-12-07 Sivantos Pte. Ltd. Verfahren zum Betrieb eines Hörgeräts
US11253193B2 (en) * 2016-11-08 2022-02-22 Cochlear Limited Utilization of vocal acoustic biomarkers for assistive listening device utilization
HK1250122A2 (zh) * 2018-07-24 2018-11-23 Hearsafe Ltd 聽覺保護裝置及方法
US11641183B2 (en) * 2018-10-25 2023-05-02 Ear Physics, Llc Audio dynamics processing control system with integration release window
US20230370758A1 (en) * 2020-03-30 2023-11-16 BlackBox Biometrics, Inc. Acoustic monitoring systems and methods
CN111479204B (zh) * 2020-04-14 2021-09-03 上海力声特医学科技有限公司 适用于人工耳蜗的增益调节方法
PL442201A1 (pl) * 2022-09-05 2024-03-11 Centralny Instytut Ochrony Pracy - Państwowy Instytut Badawczy Elektroniczny system przekazywania dźwięku pod ochronnik słuchu

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Publication number Priority date Publication date Assignee Title
US4204260A (en) 1977-06-14 1980-05-20 Unisearch Limited Recursive percentile estimator
US4531229A (en) 1982-10-22 1985-07-23 Coulter Associates, Inc. Method and apparatus for improving binaural hearing
US4718099A (en) 1986-01-29 1988-01-05 Telex Communications, Inc. Automatic gain control for hearing aid
GB2192511B (en) * 1986-07-11 1990-02-21 Roger Frederick Laurence Hearing aid
US5165017A (en) 1986-12-11 1992-11-17 Smith & Nephew Richards, Inc. Automatic gain control circuit in a feed forward configuration
US5144675A (en) 1990-03-30 1992-09-01 Etymotic Research, Inc. Variable recovery time circuit for use with wide dynamic range automatic gain control for hearing aid
DE4228934C2 (de) 1992-08-31 1994-08-11 Alois Dipl Phys Dr Heis Vorrichtung zur Bestimmung des Vertrauensbereichs von Perzentil-Meßwerten kontinuierlicher stochastischer Schallsignale
US5402498A (en) 1993-10-04 1995-03-28 Waller, Jr.; James K. Automatic intelligent audio-tracking response circuit
DE4340817A1 (de) 1993-12-01 1995-06-08 Toepholm & Westermann Schaltungsanordnung für die automatische Regelung von Hörhilfsgeräten
US5991417A (en) 1995-05-02 1999-11-23 Topholm & Westerman Aps Process for controlling a programmable or program-controlled hearing aid for its in-situ fitting adjustment
US5832097A (en) * 1995-09-19 1998-11-03 Gennum Corporation Multi-channel synchronous companding system
US5903655A (en) * 1996-10-23 1999-05-11 Telex Communications, Inc. Compression systems for hearing aids

Also Published As

Publication number Publication date
DK1059016T3 (da) 2002-09-09
ATE218028T1 (de) 2002-06-15
US6628795B1 (en) 2003-09-30
DE69712801D1 (de) 2002-06-27
CA2316242A1 (en) 1999-07-08
JP3670962B2 (ja) 2005-07-13
EP1059016A1 (en) 2000-12-13
AU5311998A (en) 1999-07-19
JP2002500494A (ja) 2002-01-08
AU739344B2 (en) 2001-10-11
WO1999034642A1 (en) 1999-07-08
EP1059016B1 (en) 2002-05-22
DE69712801T2 (de) 2002-11-07

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Effective date: 20161223